which header gasket

green 1977

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Aug 18, 2003
3,890
On Wisconsin!
gotta leak on the passenger side header, it appears to be the gasket. which gaskets should I use
hooker super comps
vortec heads
1969 327 block
 

Twisted_Metal

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Feb 26, 2004
30,832
Bloomington, MN
Super Comps have a thinner flange. (1/4"?)
I used Percy's Dead Soft aluminum gaskets on my Hedman Elites... 10 years ago.
I haven't noticed any leaks yet!

The thick, multi-layer design seems to compress nicely and creates a good seal.
 

green 1977

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Lifetime Gold Member
Aug 18, 2003
3,890
On Wisconsin!

Twisted_Metal

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Staff member
Lifetime Gold Member
Feb 26, 2004
30,832
Bloomington, MN
Since you have Vortec heads... I would go with the 760-66121. (They specifically mention "Vortec".)

I think I used the 760-66011 for standard old-school small block heads.
It's been a decade... I would have to search my project thread and maybe come up with a number which won't be specific for your application.

Hop to it, Harry!
Iola only is two weeks away! :D
 




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